[医] 重油气的, 腐臭的

A hundred years ago, there are one and a half billion people on earth. Now, over six billion crowd our fragile planet. But even so, there are still places barely touched by humanity. This series will take you to the last wildernesses and show you the

发表于:2018-12-03 / 阅读(97) / 评论(0) 分类 探索与发现2012年

Two students, Beth and Carl, are talking about the red-haired mummies. B: Can you imagine what it was like 4,000 years ago? C: That's hard to imagine. But if the mummies could speak, they could certai

发表于:2018-12-08 / 阅读(181) / 评论(0) 分类 赖世雄中级美国英语

The penguins stay when all other creatures have fled because each guards a treasurea single egg rested on the top of its feet and kept warm beneath the downy bulge of its stomach. There is no food and no water for them. And they will not see the sun

发表于:2018-12-27 / 阅读(95) / 评论(0) 分类 探索与发现2012年

They are constantly on the move. New-born calves have to be up and running the day they are born. But the vast herds do not travel alone. Wolves. Packs of them, eight to ten strong, shadow the migration. And they are hungry. Its the newly born calves

发表于:2019-01-23 / 阅读(115) / 评论(0) 分类 探索与发现2012年

But they are hungry and eager to reach their mother whos delayed feeding them on this special day. Now she lures them with the promise of milk, the only food the cubs have known since they were born, deaf and blind beneath the snow some two months ag

发表于:2019-01-23 / 阅读(109) / 评论(0) 分类 探索与发现2012年

Day 10. And the mother has let her cubs a mile from the den. Its time to put them to the test. Theyve grown enormously in confidence, but they dont have their mothers sense of urgency. At last it seems that they are ready for their journey. And they

发表于:2019-01-23 / 阅读(99) / 评论(0) 分类 探索与发现2012年

Midsummer on the tundra and the sun does not set. At these altitudes, the suns rays are glancing and not enough of their energy reaches the ground to enable trees to grow. Youll need to travel five hundred miles south from here before that is possibl

发表于:2019-01-23 / 阅读(103) / 评论(0) 分类 探索与发现2012年

As we travel south, so the suns influence grows stronger. And at 50 degrees of latitude, a radical transformation begins. Summers here are long enough for broadleaf trees to replace conifers. Broadleaves are easier to eat and digest, so now animals c

发表于:2019-01-23 / 阅读(115) / 评论(0) 分类 探索与发现2012年

The advance of the seasons brings constant change. As the suns influence diminishes in the north, so the deciduous forests of America begin to shut down, losing their leaves in preparation for the dark, cold months ahead. One season hands over to ano

发表于:2019-01-23 / 阅读(95) / 评论(0) 分类 探索与发现2012年

The character of the forest changes as we descend, becoming ever darker and damper, favoring different kinds of animals and plants. Less than two percent of the sunlight reaches the floor. But even here there is extraordinary variety. In the Great Is

发表于:2019-01-23 / 阅读(87) / 评论(0) 分类 探索与发现2012年

The female retires to consider her verdict. Its hard not to feel deflated when even your best isnt good enough. The sun influences the lives in the ocean just as it does on land. Its richest parts are those where waves and currents bring fertilizing

发表于:2019-01-23 / 阅读(126) / 评论(0) 分类 探索与发现2012年

The strike of a great white shark lasts a mere second. Slowing it down forty times reveals the technique and immense strength of this massive predator. If surprise fails, there will be a chase. The shark is faster on a straight course, but it cant tu

发表于:2019-01-23 / 阅读(209) / 评论(0) 分类 探索与发现2012年

The sun beating down on tropical waters powers the weather systems of the globe. Moisture evaporates from the warming ocean and rises to create great storms. The winds generated out at sea sweep inland across the continents. As they travel across the

发表于:2019-01-23 / 阅读(96) / 评论(0) 分类 探索与发现2012年

Deer are frequent casulties of the harsh winter. And these leopards are not above scavenging from a corpse. African leopards could never survive here. But the Russian cats have thick fur to shied them from the cold. There are only 40 Amur leopards le

发表于:2019-01-23 / 阅读(125) / 评论(0) 分类 探索与发现2012年

Their secret is teamwork. Impala are their favourite prey. They start to hunt and the pack splits up. An aerial viewpoint gives a new insight into their strategy. As the dogs approach their prey, they peel off to take up separate positions around the

发表于:2019-01-23 / 阅读(89) / 评论(0) 分类 探索与发现2012年

The dogs know their prey must come out or drown. Now its a waiting game. The rest of the pack are calling. Theyve made a kill in the forest and this is an invitation to join in the meal. The impala is in luck. A pack this size kills once a day and ev

发表于:2019-01-23 / 阅读(107) / 评论(0) 分类 探索与发现2012年

All across southern Africa, all animals are journeying for the same reason. Buffalo join the great track. Nowhere else on Earth are so many animals on the move for the same urgent purpose. They are all heading for the swamps of the Okavango, a vast i

发表于:2019-01-23 / 阅读(106) / 评论(0) 分类 探索与发现2012年

At the peak of the dry season in the Kalahari, water arrives in the Okavango. It fell as rain a thousand miles away in the highlands of Angola and has taken nearly five months to reach here. The water drives out insects from the parched ground which

发表于:2019-01-23 / 阅读(88) / 评论(0) 分类 探索与发现2012年

I happened to chance upon this poem a while ago when I was checking my email. Do Not Stand at My Grave and Weep is a poem largely considered to be written by Mary Elizabeth Frye (1904-2004), but of disputed origin. Of course the reason I am sharing t

发表于:2019-01-26 / 阅读(105) / 评论(0) 分类 阅读空间

By Hans Christian Andersen (1842) All the songs of the east speak of the love of the nightingale for the rose in the silent starlight night. The winged songster serenades the fragrant flowers. Not far from Smyrna, where the merchant drives his loaded

发表于:2019-01-26 / 阅读(97) / 评论(0) 分类 阅读空间
学英语单词
address incomplete
aftercasts
Alatyr'
alternative plan
antherigona (acritochaeta) machligera
apparent availability
Ariosoma
arm corp.
ashizawa
backscattered electron
Ban Sangkhalok
blue
capper-
caving shield
cephamycin
certified data
charging station
Colca, Cerro
control units
cross-fired furnace
Dallemand
Denkendorf
designated port
destaining solution
detonation flame spray
dexterest
dichotic presentation
dineric interface
distributed database transaction
double strength pipe
dwarf induced mutant
earth elasticity
eight millimeter
feelin' you
fiction-makings
fugacity factor
gap-clearance of piston rings
get tanked up
hexasilicides
high purity metal
hydraulic losses
inventory liqudating
Labu, Pulau
land use plan
lift-valve
light list
low interest
lunbrical muscle of hand
make a bolt of it
make fun of sb
manicdepression
material detail file
MATW
mega millionaire
millerwise
Mitsukaido
molded specimen
motor dynamo
neometaculus catappiae
nobly
orderly sequence
ore dumping chamber
Osborne, L.
Pakribarāwān
pear-shapeds
Pettenkofer's tests
pneumatic shaker
Porter, Cala en
Prairie du Rocher
pridie
projected contrast ratio
prospecting hammer
rabot
radiative
Ried.
right bladed propeller
semicontinuous wirerod mill
sequencing batch reactor
SEXAF
single bus system
sitalina hirasea
spring-loading
square stirrup
starting foot
superactivities
sustained overvoltage
syndrome of qi stagnation and blood stasis
synostotic
talk against
taper-shank triple-grip drill-chuck
tetracyclic coordinates
translation-cam
turkish capitals
umbo of tympanic membrane
undilatable
unheard sound
unlawful pawning
unlesses
visual acurity
whaleys
xeromorphic vegetation
Zadornov